CN104894455B - Manganese vanadium iron nitride and production method thereof - Google Patents
Manganese vanadium iron nitride and production method thereof Download PDFInfo
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- CN104894455B CN104894455B CN201510250326.4A CN201510250326A CN104894455B CN 104894455 B CN104894455 B CN 104894455B CN 201510250326 A CN201510250326 A CN 201510250326A CN 104894455 B CN104894455 B CN 104894455B
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- Prior art keywords
- vanadium iron
- production method
- nitrogen
- manganese
- vanadium
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- SUAUKFMZICJTAY-UHFFFAOYSA-N [V].[Fe].[Mn] Chemical compound [V].[Fe].[Mn] SUAUKFMZICJTAY-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 229910001337 iron nitride Inorganic materials 0.000 title abstract 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 28
- 229910000616 Ferromanganese Inorganic materials 0.000 claims abstract description 23
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 239000012299 nitrogen atmosphere Substances 0.000 claims abstract description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 7
- 239000011574 phosphorus Substances 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 239000011593 sulfur Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 4
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 20
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 12
- 229910052748 manganese Inorganic materials 0.000 claims description 12
- 239000011572 manganese Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 150000002085 enols Chemical class 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 3
- 238000009628 steelmaking Methods 0.000 abstract description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract description 2
- 229910000628 Ferrovanadium Inorganic materials 0.000 abstract 3
- -1 ferromanganese nitride Chemical class 0.000 abstract 3
- RRZKHZBOZDIQJG-UHFFFAOYSA-N azane;manganese Chemical compound N.[Mn] RRZKHZBOZDIQJG-UHFFFAOYSA-N 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000005272 metallurgy Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- SKKMWRVAJNPLFY-UHFFFAOYSA-N azanylidynevanadium Chemical compound [V]#N SKKMWRVAJNPLFY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229940038031 nitrogen 10 % Drugs 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- LEONUFNNVUYDNQ-YPZZEJLDSA-N vanadium-49 Chemical compound [49V] LEONUFNNVUYDNQ-YPZZEJLDSA-N 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
- Magnetic Ceramics (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses manganese vanadium iron nitride and a production method thereof, and belongs to the technical field of metallurgy; the manganese vanadium iron nitride alloy comprises the following components: 35-50% of vanadium, 30-45% of manganese, 10-18% of nitrogen, not more than 0.6% of carbon, not more than 2.0% of silicon, not more than 0.3% of phosphorus, not more than 0.02% of sulfur, and the balance iron and unavoidable impurities. The production method comprises the following steps: crushing ferrovanadium and ferromanganese nitride, loading into a sealed container or a furnace kiln, vacuumizing to reach -0.03 to -0.04 MPa, then introducing 0.02-0.05 MPa nitrogen, rising the temperature and heating up to 1200 DEG C, carrying out heat preservation for 4-6 h, and cooling to 20-50 DEG C in a nitrogen atmosphere. Ferromanganese nitride and ferrovanadium are combined to form manganese vanadium iron nitride, higher nitrogen content in manganese nitride and ferrovanadium microalloying are effectively utilized, the nitrogen content in ferromanganese nitride is effectively improved, the nitrogen content in steel can be increased in a steelmaking use process, and the microalloying effect is effectively improved.
Description
Technical field
The invention belongs to metallurgical technology field, and in particular to nitrogenized manganese vanadium iron and its production method.
Background technology
The performance of steel to be improved during steel-making is produced by necessary reinforcing means, the reinforcing unit that tradition is used
Have niobium, vanadium, titanium, etc. metallic compound.
With being continuously increased for present steel cost pressure, different reinforcing means are also constantly being used. related money
Material research shows, by the compound for adding nitrogen and vanadium in steel, in steel, VN, VC or V (C, N) are that vanadium is main in austenite
The emission form wanted, plays a part of precipitation strength, because the affinity of V, N is greater than the affinity of V, C, i.e., in identical bar
VN is initially formed under part.
In steel using FeV microalloyings, V is mainly present in the middle of matrix with solid solution state, seldom can be with V carbonitrides
Form separate out and produce precipitation strength effect.And in the steel of VN microalloyings, then have substantial amounts of V and nitrogenized with V carbon
The form of thing is separated out, and is not had the V being solidly soluted in the middle of matrix and is existed, because the presence of wherein a large amount of N, makes V preferentially be combined with N,
VN compounds are formed, and wherein solution V becomes the VN compounds for separating out state, which changed in alternate distribution form, has substantially
Precipitation strength effect.
At present as nitrogen content is not enough in steelmaking process, the DeGrain for causing VN to strengthen, this is accomplished by steel
Increasing enough nitrogen is carried out, and simple carries out nitrogen blowing, as the problem of dissolubility can not form effective nitride.Therefore,
To be added in the form of nitride in steel, improve the ratio of nitrogen in steel content, play the effect of solution strengthening.
The content of the invention
It is an object of the invention to provide nitrogenized manganese vanadium iron and its production method, the nitrogenized manganese vanadium iron is that one kind was being made steel
Reinforced alloys used in journey, improve V precipitation strength abilities, the absorbance and coefficient of stabilization of stable nitrogen.
Problem alleged by more than of the invention is solved by technical scheme below：
Nitrogenized manganese vanadium iron, is made up of following compositions：Vanadium 35-50%, manganese 30-45%, nitrogen 10-18%, carbon≤0.6%, silicon
≤ 2.0%, phosphorus≤0.3%, sulfur≤0.02%, balance of ferrum and inevitable impurity.
Based on the production method of above-mentioned nitrogenized manganese vanadium iron, comprise the following steps：Calculated according to mentioned component ratio
Go out the consumption of vanadium iron and nitrided ferromanganese, by the vanadium iron, the broken loading sealing container of nitrided ferromanganese or stove, evacuation reaches
To -0.03～-0.04MPa, the nitrogen of 0.02～0.05MPa is then passed to, intensification is heated to 1200-1250 DEG C, 4-6 is little for insulation
When, in nitrogen atmosphere carry out being cooled to 20-50 DEG C.
Vanadium iron of the present invention is tablet vanadium iron.
In nitrided ferromanganese of the present invention, manganese content is 75-85%.
The purity of nitrogen of the present invention is more than 99.9%.
Temperature retention time of the present invention is 5 hours.
Vanadium iron of the present invention, nitrided ferromanganese crushing granularity requirement 50-150 mesh.
After vanadium iron of the present invention, nitrided ferromanganese are broken, pressure ball process is carried out for binding agent using polyvinyl alcohol, material and
The additional proportion of binding agent is 100:1-10.
Using the beneficial effect produced by above-mentioned technical proposal it is：The product of the present invention is by by nitrided ferromanganese and vanadium iron
It is combined to form nitrogenized manganese vanadium iron, is effectively utilized the higher microalloying with vanadium iron of nitrogen content in nitrogenized manganese, is effectively improved
The problem that nitrogen content in nitrided ferromanganese is not enough, during nitrogenized manganese vanadium iron use can increase nitrogen in steel content, be formed with
The vanadium nitride reinforcing of effect, ton steel can reduce cost of alloy for 12-15 yuan/ton, microalloying effect is obviously improved.
Specific embodiment
With reference to specific embodiment, the present invention is further detailed explanation.
Embodiment 1
Nitrogenized manganese vanadium iron, it is as follows into being grouped into：Vanadium 35%, manganese 45%, nitrogen 10%, carbon 0.5%, 1.5 % of silicon, phosphorus 0.1%,
Sulfur 0.01%, balance of ferrum and inevitable impurity.
Tablet vanadium iron 300kg, nitrided ferromanganese 200kg are crushed to into 100 mesh, polyvinyl alcohol is carried out at pressure ball for binding agent
The additional proportion of reason, material and binding agent is 100:1, load in stove, in nitrided ferromanganese, manganese content is 75%.Evacuation reaches-
0.04MPa, the purity for then passing to 0.04MPa is 99.999% nitrogen, and intensification is heated to 1200 DEG C, is incubated 5 hours, in nitrogen
Atmosphere is cooled to 40 DEG C in enclosing.
Embodiment 2
Nitrogenized manganese vanadium iron, it is as follows into being grouped into：Vanadium 43%, manganese 35%, nitrogen 14%, carbon 0.4%, silicon 1.7%, phosphorus 0.15%,
Sulfur 0.01%, balance of ferrum and inevitable impurity.
Tablet vanadium iron 200kg, nitrided ferromanganese 150kg are crushed to into 110 mesh, polyvinyl alcohol is carried out at pressure ball for binding agent
The additional proportion of reason, material and binding agent is 100:5, load in sealing container, in nitrided ferromanganese, manganese content is 80%.Evacuation
- 0.03MPa is reached, the purity for then passing to 0.05MPa is 99.999% nitrogen, intensification is heated to 1220 DEG C, is incubated 4 hours,
50 DEG C are cooled in nitrogen atmosphere.
Embodiment 3
Nitrogenized manganese vanadium iron, it is as follows into being grouped into：Vanadium 49%, manganese 30%, nitrogen 18%, carbon 0.4%, silicon 1.5%, phosphorus 0.10%,
Sulfur 0.01%, balance of ferrum and inevitable impurity.
Tablet vanadium iron 400kg, nitrided ferromanganese 250kg are crushed to into 150 mesh, polyvinyl alcohol is carried out at pressure ball for binding agent
The additional proportion of reason, material and binding agent is 100:10, load in sealing container, in nitrided ferromanganese, manganese content is 75%.Evacuation
- 0.03MPa is reached, the purity for then passing to 0.02MPa is 99.999% nitrogen, intensification is heated to 1230 DEG C, insulation 4.5 is little
When, 20 DEG C are cooled in nitrogen atmosphere.
Embodiment 4
Nitrogenized manganese vanadium iron, it is as follows into being grouped into：Vanadium 50%, manganese 32%, nitrogen 11%, carbon 0.6%, silicon 2.0%, phosphorus 0.3%, sulfur
0.02%, balance of ferrum and inevitable impurity.
Tablet vanadium iron 300kg, nitrided ferromanganese 220kg are crushed to into 50 mesh, polyvinyl alcohol carries out pressure ball process for binding agent,
The additional proportion of material and binding agent is 100:2, load in sealing container, in nitrided ferromanganese, manganese content is 85%.Evacuation reaches
To -0.04MPa, the purity for then passing to 0.03MPa is 99.999% nitrogen, and intensification is heated to 1250 DEG C, is incubated 6 hours,
50 DEG C are cooled in nitrogen atmosphere.
Claims (7)
1. a kind of production method of nitrogenized manganese vanadium iron, is made up of following compositions：Vanadium 35-50%, manganese 30-45%, nitrogen 10-18%,
Carbon≤0.6%, silicon≤2.0%, phosphorus≤0.3%, sulfur≤0.02%, balance of ferrum and inevitable impurity, it is characterised in that include
Following steps：The consumption of vanadium iron and nitrided ferromanganese is calculated according to mentioned component ratio, by the vanadium iron, the broken dress of nitrided ferromanganese
Enter in sealing container or stove, evacuation reaches -0.03～-0.04MPa, then pass to the nitrogen of 0.02～0.05MPa, heat up
1200-1250 DEG C is heated to, 4-6 hours is incubated, 20-50 DEG C is cooled in nitrogen atmosphere.
2. production method according to claim 1, it is characterised in that the vanadium iron is tablet vanadium iron.
3. production method according to claim 1, it is characterised in that manganese content is 75-85% in the nitrided ferromanganese.
4. production method according to claim 1, it is characterised in that the purity of the nitrogen is more than 99.9%.
5. production method according to claim 1, it is characterised in that the temperature retention time is 5 hours.
6. production method according to claim 1, it is characterised in that the vanadium iron, nitrided ferromanganese crushing granularity requirement 50-
150 mesh.
7. production method according to claim 1, it is characterised in that after the vanadium iron, nitrided ferromanganese are broken, using poly- second
Enol is 100 for the additional proportion that binding agent carries out pressure ball process, material and binding agent:1-10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510250326.4A CN104894455B (en) | 2015-05-18 | 2015-05-18 | Manganese vanadium iron nitride and production method thereof |
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| CN201510250326.4A CN104894455B (en) | 2015-05-18 | 2015-05-18 | Manganese vanadium iron nitride and production method thereof |
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| CN104894455B true CN104894455B (en) | 2017-04-12 |
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| CN107675070B (en) * | 2017-09-15 | 2019-11-12 | 承德锦科科技股份有限公司 | Vanadium nitride fero-manganesesilicon and preparation method thereof |
| CN108396161A (en) * | 2018-02-28 | 2018-08-14 | 河钢股份有限公司承德分公司 | A method of preparing nitrogenized manganese vanadium iron |
| CN110408832B (en) * | 2019-08-30 | 2021-08-10 | 攀钢集团攀枝花钢铁研究院有限公司 | Nitrogen-rich manganese vanadium-based material and preparation method thereof |
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| CN101693977A (en) * | 2009-10-14 | 2010-04-14 | 马鞍山钢铁股份有限公司 | Vanadium-nitrogen additive for smelting microalloyed steel and method for preparing same |
| CN102644015A (en) * | 2012-04-11 | 2012-08-22 | 河北钢铁股份有限公司承德分公司 | Production method for vanadium nitride ferroalloy |
| CN103572086B (en) * | 2013-11-18 | 2016-02-17 | 福建新航凯材料科技有限公司 | The production method of manganese-vanadium nitride multicomponent alloy |
| CN104060116A (en) * | 2014-07-01 | 2014-09-24 | 福建新航凯材料科技有限公司 | Preparing method for vanadium nitride silicomanganese alloy |
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